That TinyPilot is really cool. It deserves to take off. I'm surprised he's still bootstrapping at this point, because with a product like that, there's a lot more to gain than there is to lose by taking angel and VC money.
I actually sold the company earlier this year.[0] I never looked into VC money primarily because I like the independence of being the sole owner, though I agree there would have been a lot of advantages.